1 files changed, 117 insertions, 0 deletions
diff --git a/devtools/client/shared/test/browser_filter-presets-01.js b/devtools/client/shared/test/browser_filter-presets-01.js
new file mode 100644
index 0000000000..3a6d4a93d5
--- /dev/null
+++ b/devtools/client/shared/test/browser_filter-presets-01.js
@@ -0,0 +1,117 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests saving presets
+
+const {
+  CSSFilterEditorWidget,
+} = require("resource://devtools/client/shared/widgets/FilterWidget.js");
+
+const TEST_URI = CHROME_URL_ROOT + "doc_filter-editor-01.html";
+
+add_task(async function () {
+  const { doc } = await createHost("bottom", TEST_URI);
+
+  const container = doc.querySelector("#filter-container");
+  const widget = new CSSFilterEditorWidget(container, "none");
+  // First render
+  await widget.once("render");
+
+  const VALUE = "blur(2px) contrast(150%)";
+  const NAME = "Test";
+
+  await showFilterPopupPresetsAndCreatePreset(widget, NAME, VALUE);
+
+  const preset = widget.el.querySelector(".preset");
+  is(
+    preset.querySelector("label").textContent,
+    NAME,
+    "Should show preset name correctly"
+  );
+  is(
+    preset.querySelector("span").textContent,
+    VALUE,
+    "Should show preset value preview correctly"
+  );
+
+  let list = await widget.getPresets();
+  const input = widget.el.querySelector(".presets-list .footer input");
+  let data = list[0];
+
+  is(data.name, NAME, "Should add the preset to asyncStorage - name property");
+  is(
+    data.value,
+    VALUE,
+    "Should add the preset to asyncStorage - name property"
+  );
+
+  info("Test overriding preset by using the same name");
+
+  const VALUE_2 = "saturate(50%) brightness(10%)";
+
+  widget.setCssValue(VALUE_2);
+
+  await savePreset(widget);
+
+  is(
+    widget.el.querySelectorAll(".preset").length,
+    1,
+    "Should override the preset with the same name - render"
+  );
+
+  list = await widget.getPresets();
+  data = list[0];
+
+  is(
+    list.length,
+    1,
+    "Should override the preset with the same name - asyncStorage"
+  );
+
+  is(
+    data.name,
+    NAME,
+    "Should override the preset with the same name - prop name"
+  );
+  is(
+    data.value,
+    VALUE_2,
+    "Should override the preset with the same name - prop value"
+  );
+
+  await widget.setPresets([]);
+
+  info("Test saving a preset without name");
+  input.value = "";
+
+  await savePreset(widget, "preset-save-error");
+
+  list = await widget.getPresets();
+  is(list.length, 0, "Should not add a preset without name");
+
+  info("Test saving a preset without filters");
+
+  input.value = NAME;
+  widget.setCssValue("none");
+
+  await savePreset(widget, "preset-save-error");
+
+  list = await widget.getPresets();
+  is(list.length, 0, "Should not add a preset without filters (value: none)");
+});
+
+/**
+ * Call savePreset on widget and wait for the specified event to emit
+ * @param {CSSFilterWidget} widget
+ * @param {string} expectEvent="render" The event to listen on
+ * @return {Promise}
+ */
+function savePreset(widget, expectEvent = "render") {
+  const onEvent = widget.once(expectEvent);
+  widget._savePreset({
+    preventDefault: () => {},
+  });
+  return onEvent;
+}